 /*******************************************************************************
  * Copyright (c) 2000, 2005 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  * Sebastian Davids <sdavids@gmx.de> - Fix for bug 19346 - Dialog
  * font should be activated and used by other components.
  *******************************************************************************/
 package org.eclipse.ui.dialogs;

 import java.util.ArrayList ;

 import org.eclipse.core.resources.IProject;
 import org.eclipse.jface.resource.JFaceColors;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.internal.ide.IDEWorkbenchMessages;
 import org.eclipse.ui.internal.ide.IIDEHelpContextIds;
 import org.eclipse.ui.internal.ide.dialogs.ProjectContentsLocationArea;
 import org.eclipse.ui.internal.ide.dialogs.ProjectContentsLocationArea.IErrorMessageReporter;

 /**
  * The ProjectLocationMoveDialog is the dialog used to select the location of a
  * project for moving.
  */
 public class ProjectLocationMoveDialog extends SelectionDialog {
     private IProject project;

     private Label statusMessageLabel;

     private static String PROJECT_LOCATION_SELECTION_TITLE = IDEWorkbenchMessages.ProjectLocationSelectionDialog_selectionTitle;


     private ProjectContentsLocationArea locationArea;

     /**
      * Create a ProjectLocationMoveDialog on the supplied project parented by
      * the parentShell.
      *
      * @param parentShell
      * @param existingProject
      */
     public ProjectLocationMoveDialog(Shell parentShell, IProject existingProject) {
         super(parentShell);
         setTitle(PROJECT_LOCATION_SELECTION_TITLE);
         this.project = existingProject;
     }

     /*
      * (non-Javadoc)
      *
      * @see org.eclipse.ui.dialogs.SelectionDialog#setMessage(java.lang.String)
      */
     public void setMessage(String message) {
         super.setMessage(message);
         if (statusMessageLabel != null) {
             if (message == null) {
                 statusMessageLabel.setText("");//$NON-NLS-1$
 statusMessageLabel.setToolTipText("");//$NON-NLS-1$
 getOkButton().setEnabled(true);
             } else {
                 statusMessageLabel.setForeground(JFaceColors
                         .getErrorText(statusMessageLabel.getDisplay()));
                 statusMessageLabel.setText(message);
                 statusMessageLabel.setToolTipText(message);
                 getOkButton().setEnabled(false);
             }
         }
     }

     /*
      * (non-Javadoc) Method declared in Window.
      */
     protected void configureShell(Shell shell) {
         super.configureShell(shell);
         PlatformUI.getWorkbench().getHelpSystem().setHelp(shell,
                 IIDEHelpContextIds.PROJECT_LOCATION_SELECTION_DIALOG);
     }

     /*
      * (non-Javadoc) Method declared on Dialog.
      */
     protected Control createContents(Composite parent) {
         Control content = super.createContents(parent);
         getOkButton().setEnabled(false);
         return content;
     }

     /*
      * (non-Javadoc) Method declared on Dialog.
      */
     protected Control createDialogArea(Composite parent) {
         // page group
 Composite composite = (Composite) super.createDialogArea(parent);

         composite.setLayout(new GridLayout());
         composite.setLayoutData(new GridData(GridData.FILL_BOTH));

         locationArea = new ProjectContentsLocationArea(getErrorReporter(), composite,
                 this.project);

         // Scale the button based on the rest of the dialog
 setButtonLayoutData(locationArea.getBrowseButton());

         // Add in a label for status messages if required
 statusMessageLabel = new Label(composite, SWT.WRAP);
         statusMessageLabel.setLayoutData(new GridData(GridData.FILL_BOTH));
         statusMessageLabel.setFont(parent.getFont());
         // Make it two lines.
 statusMessageLabel.setText(" \n "); //$NON-NLS-1$

         applyDialogFont(composite);
         return composite;
     }


     /**
      * Get an error reporter for the receiver.
      * @return IErrorMessageReporter
      */
     private IErrorMessageReporter getErrorReporter() {
         return new IErrorMessageReporter(){
             /* (non-Javadoc)
              * @see org.eclipse.ui.internal.ide.dialogs.ProjectContentsLocationArea.IErrorMessageReporter#reportError(java.lang.String)
              */
             public void reportError(String errorMessage) {
                 setMessage(errorMessage);
                 
             }
         };
     }

     /**
      * Get the project being manipulated.
      */
     private IProject getProject() {
         return this.project;
     }

     /**
      * The <code>ProjectLocationMoveDialog</code> implementation of this
      * <code>Dialog</code> method builds a two element list - the first
      * element is the project name and the second one is the location.
      */
     protected void okPressed() {

         ArrayList list = new ArrayList ();
         list.add(getProject().getName());
         list.add(locationArea.getProjectLocation());
         setResult(list);
         super.okPressed();
     }

 }

